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noun Uncommon

infiltration

ihn-fihl-TRAY-shuhn

Infiltration (noun) means the act of secretly entering an organization, group, or place. Example: “The report detailed the spy's infiltration of the ministry over several years.”

noun
1
The act of secretly entering an organization, group, or place.
"The report detailed the spy's infiltration of the ministry over several years."
2
The gradual seeping of a liquid into a material or the ground.
"Poor infiltration of water into the soil led to flash flooding."

How to use infiltration

Learner’s notes

In plain EnglishSecretly getting inside something, or a liquid slowly soaking through a material.

Common pairings
infiltration of the market water infiltration enemy infiltration

Word forms

infiltrations plural

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The report detailed the spy's _____ of the ministry over several years.

Etymology

From Medieval Latin infiltratio, built on infiltrate.

Origin: Medieval Latin

Related words

Rhymes for infiltration

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Frequently asked questions

What does “infiltration” mean?

The word “infiltration” means the act of secretly entering an organization, group, or place. In plain terms, secretly getting inside something, or a liquid slowly soaking through a material.

How do you pronounce “infiltration”?

“Infiltration” is pronounced ihn-fihl-TRAY-shuhn (/ˌɪnfəlˈtɹeɪʃən/ in IPA).

How do you use “infiltration” in a sentence?

Here is “infiltration” used in a sentence: “The report detailed the spy's infiltration of the ministry over several years.”

What part of speech is “infiltration”?

“Infiltration” is a noun.

Where does the word “infiltration” come from?

The word “infiltration” comes from Medieval Latin. From Medieval Latin infiltratio, built on infiltrate.

Is “infiltration” a common word?

“Infiltration” is an uncommon word in modern English.

How many meanings does “infiltration” have?

“Infiltration” has 2 distinct senses listed in this dictionary. The most common is: the act of secretly entering an organization, group, or place.

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Definitions: FreeDict original editorial